ANY CATHOLIC PRIESTS have difficulty with the interval of the Minor Third. For example, many erroneously sing a Perfect Fourth instead of a Minor Third after the Pater Noster (“et ne nos indúcas”). This is not easy to correct. I’m usually a stickler when it comes to making sure priests sing their chants correctly—especially in the famous Triple Alleluia on Holy Saturday, which Archbishop Fulton Sheen once described as having “about forty-nine notes, which would test even the skills of a Caruso.”
But I just found out the 1575AD Missale Romanum has a skip of a Perfect Fifth! So perhaps I need to chill out about this:
And this medieval manuscript has the skip of a fourth:
This Missal from 1882 has the skip of a fourth:
By the way, quite a fancy capital “A” is shown in that medieval manuscript!